import java.sql.*; 

public class Example11_4 {

   public static void main(String args[]) {

      Connection con;

      Statement sql; 

      ResultSet rs;

      con = GetDBConnection.connectDB("students","root","");

      if(con == null ) return;

      String jiLu="('R11q','王三','2000-10-23',1.66),"+

                  "('R10q','李武','1989-10-23',1.76)";    //2条记录

      String sqlStr ="insert into mess values"+jiLu;

      try { 

          sql=con.createStatement(); 

          int ok = sql.executeUpdate(sqlStr);

          rs = sql.executeQuery("select * from mess");

          while(rs.next()) { 

             String number=rs.getString(1);

             String name=rs.getString(2);

             Date date=rs.getDate(3);

             float height=rs.getFloat(4);

             System.out.printf("%s\t",number);

             System.out.printf("%s\t",name);

             System.out.printf("%s\t",date); 

             System.out.printf("%.2f\n",height);

          }

          con.close();

      }

      catch(SQLException e) { 

         System.out.println("记录中number值不能重复"+e);

      }

  }

}
